US-EU Index Rebalances / Quantitative Researcher

Dimitris Ioannidis

Global Financial Data and Analytics Platform

ORTEX

ORTEX is a global financial data and analytics platform providing real-time securities lending and short interest data, index rebalance data, holdings and insider transactions, trading signals, corporate actions and news,  stock machine learning and factor scores and other analytics. The majority of the data are downloadable and accessible through APIs.

Index Rebalance

<ul>
<li>
<a href="https://www.smartkarma.com/entities/walmart-inc" target="_blank" data-smartkarma-citation="entities:11134:1" rel="noopener">Walmart (WMT US)</a> is now eligible for Nasdaq100 following its listing change from NYSE to Nasdaq on 9 December 2025, marking the largest exchange transfer in history.</li>
<li>The listing transfer was completed after the December 2025 annual review cut-off, so Nasdaq100 inclusion is anticipated by December 2026.</li>
<li>Forecasted passive fund demand upon inclusion is ~600m shares, $70bn and 25 ADV.</li>
</ul>



Walmart (WMT US) is now eligible for Nasdaq100 following its listing change from NYSE to Nasdaq on 9 December 2025, marking the largest exchange transfer in history.
The listing transfer was completed after the December 2025 annual review cut-off, so Nasdaq100 inclusion is anticipated by December 2026.
Forecasted passive fund demand upon inclusion is ~600m shares, $70bn and 25 ADV.


Walmart (WMT US): Unwrapping Nasdaq100 Inclusion Following Listing Transfer

Alnylam Pharmaceuticals / Index Rebalance

<ul>
<li>
<a href="https://www.smartkarma.com/entities/alnylam-pharmaceuticals-inc" target="_blank" data-smartkarma-citation="entities:2191:1" rel="noopener">Alnylam Pharmaceuticals (ALNY US)</a>, <a href="https://www.smartkarma.com/entities/monolithic-power-systems-inc" target="_blank" data-smartkarma-citation="entities:2088:1" rel="noopener">Monolithic Power Systems (MPWR US)</a> and <a href="https://www.smartkarma.com/entities/seagate-technology-holdings-pl" target="_blank" data-smartkarma-citation="entities:9129:1" rel="noopener">Seagate Technology Holdings (STX US)</a> are the top 3 addition candidates with ALNY at the top.</li>
<li>
<a href="https://www.smartkarma.com/entities/globalfoundries-inc" target="_blank" data-smartkarma-citation="entities:34513:1" rel="noopener">GLOBALFOUNDRIES (GFS US)</a>, <a href="https://www.smartkarma.com/entities/cdw-corp-de" target="_blank" data-smartkarma-citation="entities:2244:1" rel="noopener">CDW Corp (CDW US)</a> and <a href="https://www.smartkarma.com/entities/biogen-inc" target="_blank" data-smartkarma-citation="entities:972:1" rel="noopener">Biogen (BIIB US)</a> are the top 3 deletion candidates with GFS at the bottom.</li>
<li>Versant (VSNT) and Solstice Advanced Materials (SOLS) are estimated to be deleted following completion of their spinoffs with the earliest one expected on 30 October 2025.</li>
</ul>



Alnylam Pharmaceuticals (ALNY US), Monolithic Power Systems (MPWR US) and Seagate Technology Holdings (STX US) are the top 3 addition candidates with ALNY at the top.

GLOBALFOUNDRIES (GFS US), CDW Corp (CDW US) and Biogen (BIIB US) are the top 3 deletion candidates with GFS at the bottom.
Versant (VSNT) and Solstice Advanced Materials (SOLS) are estimated to be deleted following completion of their spinoffs with the earliest one expected on 30 October 2025.


Nasdaq100 Dec2025 Forecast (Part 2): ALNY at the Top; GFS at the Bottom; Spinoffs Pending

Founder at Stock Spin-off Investing, Stock Spin-Off Investing

Richard Howe

Founder at Stock Spin-off Investing

Stock Spin-Off Investing

Generate attractive returns by taking advantage of inefficiencies in the stock spin-off market.

Stock Spin-offs

Event-Driven

<ul><li>Today, investors received shares in the new SanDisk spin-off.</li><li>Shares are currently slightly up due to buying pressure ahead of the stock being added to the S&amp;P 600 index effective tomorrow.</li><li>SanDisk is trading at 1.1x revenue which is a reasonable valuation (Xioxia, Sandisk’s JV partner, trades at 1.3x LTM revenue).<figure class="editor-figure mceNonEditable"></figure></li></ul>

Today, investors received shares in the new SanDisk spin-off.Shares are currently slightly up due to buying pressure ahead of the stock being added to the S&amp;P 600 index effective tomorrow.SanDisk is trading at 1.1x revenue which is a reasonable valuation (Xioxia, Sandisk’s JV partner, trades at 1.3x LTM revenue).

<ul>
<li>Small caps generally trade between a 50% discount to the S&amp;P 500 and a 50% premium. The current discount is 22%.</li>
<li>Relative periods of outperformance tend to last for waves of at least 13 years.</li>
<li>The current dominance of large caps over small caps has lasted ~13 years. This suggests the cycle could be due to change.</li>
</ul>


Small caps generally trade between a 50% discount to the S&amp;P 500 and a 50% premium. The current discount is 22%.
Relative periods of outperformance tend to last for waves of at least 13 years.
The current dominance of large caps over small caps has lasted ~13 years. This suggests the cycle could be due to change.


<ul>
<li>Galapagos NV (GLPG), a Belgian biotechnology company, announced on January 8, 2025, its plan to split into two publicly traded entities by mid-2025.</li>
<li>Vivendi (VIV), the French media conglomerate, has recently undergone a significant restructuring by spinning off several of its key divisions into independent entities.</li>
<li>On December 30, 2024, Lions Gate Entertainment (LGFA/LGFB) filed its latest proxy related to the spin-off of Lionsgate Studios (LION). <a href="https://www.bamsec.com/filing/119312524287096?cik=929351" target="_blank" rel="noopener">You can read it here</a>.</li>
</ul>


Galapagos NV (GLPG), a Belgian biotechnology company, announced on January 8, 2025, its plan to split into two publicly traded entities by mid-2025.
Vivendi (VIV), the French media conglomerate, has recently undergone a significant restructuring by spinning off several of its key divisions into independent entities.
On December 30, 2024, Lions Gate Entertainment (LGFA/LGFB) filed its latest proxy related to the spin-off of Lionsgate Studios (LION). You can read it here.


United States

Western Digital Corporation is a global provider of solutions for the collection, storage, management, protection and use of digital content, including audio and video. The Company's products include hard drives, solid-state drives, and home entertainment and networking products.

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Western Digital (WDC US)

Walmart (WMT US): Unwrapping Nasdaq100 Inclusion Following Listing Transfer

AstraZeneca (AZN) will delist its ADRs from Nasdaq and transition to a direct listing of its ordinary shares on the NYSE on 2 February. As a...

Dimitris Ioannidis

Nasdaq100 Dec2025 Forecast (Part 2): ALNY at the Top; GFS at the Bottom; Spinoffs Pending

SOLS was deleted from the index at the close of 6 Nov following Honeywell’s spinoff. VSNT is still expected to be removed but Comcast’s spinoff has...

Dimitris Ioannidis

[Alert] Sell Sandisk Spin-off

Today, investors received shares in the new SanDisk spin-off. Shares are currently slightly up due to buying pressure ahead of the stock...

Richard Howe

Weekly Update (WDC, SNDK, MRP, IAC)

Small caps generally trade between a 50% discount to the S&P 500 and a 50% premium. The current discount is 22%. Relative periods of outperformance...

Richard Howe

Weekly Update: January 10, 2025

Galapagos NV (GLPG), a Belgian biotechnology company, announced on January 8, 2025, its plan to split into two publicly traded entities by mid-2025.

Richard Howe

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